75629925 has 72 divisors (see below), whose sum is σ = 159910400. Its totient is φ = 33436800.

The previous prime is 75629921. The next prime is 75629927. The reversal of 75629925 is 52992657.

It is not a de Polignac number, because 75629925 - 2² = 75629921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75629921) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 48051 + ... + 49599.

Almost surely, 2^75629925 is an apocalyptic number.

75629925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75629925 is an abundant number, since it is smaller than the sum of its proper divisors (84280475).

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

75629925 is a wasteful number, since it uses less digits than its factorization.

75629925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603 (or 1595 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 75629925 is about 8696.5467284434. The cubic root of 75629925 is about 422.8937076791.

The spelling of 75629925 in words is "seventy-five million, six hundred twenty-nine thousand, nine hundred twenty-five".