72761025 has 12 divisors (see below), whose sum is σ = 120298352. Its totient is φ = 38805840.

The previous prime is 72761023. The next prime is 72761047. The reversal of 72761025 is 52016727.

It is not a de Polignac number, because 72761025 - 2¹ = 72761023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72760983 and 72761001.

It is not an unprimeable number, because it can be changed into a prime (72761023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 484999 + ... + 485148.

Almost surely, 2^72761025 is an apocalyptic number.

72761025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

72761025 is a deficient number, since it is larger than the sum of its proper divisors (47537327).

72761025 is a wasteful number, since it uses less digits than its factorization.

72761025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970160 (or 970155 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 72761025 is about 8530.0073270777. The cubic root of 72761025 is about 417.4773673892.

The spelling of 72761025 in words is "seventy-two million, seven hundred sixty-one thousand, twenty-five".