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72025010 = 25191372767
BaseRepresentation
bin1000100101100…
…00001110110010
312000112020201222
410102300032302
5121414300020
611051425042
71533126311
oct422601662
9160466658
1072025010
1137724502
1220155182
1311bca465
1497cc278
1564cab25
hex44b03b2

72025010 has 32 divisors (see below), whose sum is σ = 137514240. Its totient is φ = 27084672.

The previous prime is 72025001. The next prime is 72025013. The reversal of 72025010 is 1052027.

It is a self number, because there is not a number n which added to its sum of digits gives 72025010.

It is not an unprimeable number, because it can be changed into a prime (72025013) 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 15 ways as a sum of consecutive naturals, for example, 24647 + ... + 27413.

It is an arithmetic number, because the mean of its divisors is an integer number (4297320).

Almost surely, 272025010 is an apocalyptic number.

72025010 is a deficient number, since it is larger than the sum of its proper divisors (65489230).

72025010 is a wasteful number, since it uses less digits than its factorization.

72025010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 72025010 is about 8486.7549746649. The cubic root of 72025010 is about 416.0649283826.

Adding to 72025010 its reverse (1052027), we get a palindrome (73077037).

The spelling of 72025010 in words is "seventy-two million, twenty-five thousand, ten".

Divisors: 1 2 5 10 19 38 95 137 190 274 685 1370 2603 2767 5206 5534 13015 13835 26030 27670 52573 105146 262865 379079 525730 758158 1895395 3790790 7202501 14405002 36012505 72025010