74425797 has 16 divisors (see below), whose sum is σ = 111624960. Its totient is φ = 49615740.

The previous prime is 74425787. The next prime is 74425859. The reversal of 74425797 is 79752447.

74425797 is a `hidden beast` number, since 74 + 4 + 2 + 579 + 7 = 666.

It is not a de Polignac number, because 74425797 - 2⁴ = 74425781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74425777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14829 + ... + 19202.

It is an arithmetic number, because the mean of its divisors is an integer number (6976560).

Almost surely, 2^74425797 is an apocalyptic number.

It is an amenable number.

74425797 is a deficient number, since it is larger than the sum of its proper divisors (37199163).

74425797 is an frugal number, since it uses more digits than its factorization.

74425797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34052 (or 34034 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 74425797 is about 8627.0387155733. The cubic root of 74425797 is about 420.6373486627.

The spelling of 74425797 in words is "seventy-four million, four hundred twenty-five thousand, seven hundred ninety-seven".