74263725 has 18 divisors (see below), whose sum is σ = 133014986. Its totient is φ = 39607200.

The previous prime is 74263691. The next prime is 74263729. The reversal of 74263725 is 52736247.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 492804 + 73770921 = 702^2 + 8589^2 .

It is not a de Polignac number, because 74263725 - 2⁶ = 74263661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74263725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74263729) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 164806 + ... + 165255.

Almost surely, 2^74263725 is an apocalyptic number.

74263725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74263725 is a deficient number, since it is larger than the sum of its proper divisors (58751261).

74263725 is a wasteful number, since it uses less digits than its factorization.

74263725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330077 (or 330069 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 74263725 is about 8617.6403382829. The cubic root of 74263725 is about 420.3317956390.

The spelling of 74263725 in words is "seventy-four million, two hundred sixty-three thousand, seven hundred twenty-five".