74985734 has 4 divisors (see below), whose sum is σ = 112478604. Its totient is φ = 37492866.

The previous prime is 74985719. The next prime is 74985739. The reversal of 74985734 is 43758947.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74985739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18746432 + ... + 18746435.

It is an arithmetic number, because the mean of its divisors is an integer number (28119651).

Almost surely, 2^74985734 is an apocalyptic number.

74985734 is a deficient number, since it is larger than the sum of its proper divisors (37492870).

74985734 is a wasteful number, since it uses less digits than its factorization.

74985734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37492869.

The product of its digits is 846720, while the sum is 47.

The square root of 74985734 is about 8659.4303507794. The cubic root of 74985734 is about 421.6895922656.

The spelling of 74985734 in words is "seventy-four million, nine hundred eighty-five thousand, seven hundred thirty-four".