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72025960 = 2351994771
BaseRepresentation
bin1000100101100…
…00011101101000
312000112022001011
410102300131220
5121414312320
611051433304
71533132136
oct422603550
9160468034
1072025960
1137725196
1220155834
1311bcaa16
1497cc756
1564cb05a
hex44b0768

72025960 has 32 divisors (see below), whose sum is σ = 170589600. Its totient is φ = 27293760.

The previous prime is 72025913. The next prime is 72025963. The reversal of 72025960 is 6952027.

It is not an unprimeable number, because it can be changed into a prime (72025963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46626 + ... + 48145.

It is an arithmetic number, because the mean of its divisors is an integer number (5330925).

Almost surely, 272025960 is an apocalyptic number.

It is an amenable number.

72025960 is an abundant number, since it is smaller than the sum of its proper divisors (98563640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72025960 is a wasteful number, since it uses less digits than its factorization.

72025960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94801 (or 94797 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 72025960 is about 8486.8109440472. The cubic root of 72025960 is about 416.0667576543.

Adding to 72025960 its reverse (6952027), we get a palindrome (78977987).

The spelling of 72025960 in words is "seventy-two million, twenty-five thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 94771 189542 379084 473855 758168 947710 1800649 1895420 3601298 3790840 7202596 9003245 14405192 18006490 36012980 72025960