72460628 has 6 divisors (see below), whose sum is σ = 126806106. Its totient is φ = 36230312.

The previous prime is 72460621. The next prime is 72460657. The reversal of 72460628 is 82606427.

It can be written as a sum of positive squares in only one way, i.e., 65480464 + 6980164 = 8092^2 + 2642^2 .

It is a super-2 number, since 2×72460628² = 10501085220308768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72460621) 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 as a sum of consecutive naturals, namely, 9057575 + ... + 9057582.

It is an arithmetic number, because the mean of its divisors is an integer number (21134351).

Almost surely, 2^72460628 is an apocalyptic number.

It is an amenable number.

72460628 is a deficient number, since it is larger than the sum of its proper divisors (54345478).

72460628 is a wasteful number, since it uses less digits than its factorization.

72460628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18115161 (or 18115159 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 72460628 is about 8512.3808655393. The cubic root of 72460628 is about 416.9020505394.

The spelling of 72460628 in words is "seventy-two million, four hundred sixty thousand, six hundred twenty-eight".