74742485 has 8 divisors (see below), whose sum is σ = 94411680. Its totient is φ = 56646864.

The previous prime is 74742469. The next prime is 74742511. The reversal of 74742485 is 58424747.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74742485 - 2⁴ = 74742469 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393287 + ... + 393476.

It is an arithmetic number, because the mean of its divisors is an integer number (11801460).

Almost surely, 2^74742485 is an apocalyptic number.

It is an amenable number.

74742485 is a deficient number, since it is larger than the sum of its proper divisors (19669195).

74742485 is a wasteful number, since it uses less digits than its factorization.

74742485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786787.

The product of its digits is 250880, while the sum is 41.

The square root of 74742485 is about 8645.3736183001. The cubic root of 74742485 is about 421.2331201576.

The spelling of 74742485 in words is "seventy-four million, seven hundred forty-two thousand, four hundred eighty-five".