74972735 has 8 divisors (see below), whose sum is σ = 90022320. Its totient is φ = 59941504.

The previous prime is 74972717. The next prime is 74972749. The reversal of 74972735 is 53727947.

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 74972735 - 2⁶ = 74972671 is a prime.

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, 7124 + ... + 14166.

It is an arithmetic number, because the mean of its divisors is an integer number (11252790).

Almost surely, 2^74972735 is an apocalyptic number.

74972735 is a deficient number, since it is larger than the sum of its proper divisors (15049585).

74972735 is a wasteful number, since it uses less digits than its factorization.

74972735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9177.

The product of its digits is 370440, while the sum is 44.

The square root of 74972735 is about 8658.6797492458. The cubic root of 74972735 is about 421.6652238091.

The spelling of 74972735 in words is "seventy-four million, nine hundred seventy-two thousand, seven hundred thirty-five".