74734087 has 12 divisors (see below), whose sum is σ = 81306840. Its totient is φ = 68500080.

The previous prime is 74734069. The next prime is 74734109. The reversal of 74734087 is 78043747.

It is a de Polignac number, because none of the positive numbers 2^k-74734087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74734007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16213 + ... + 20305.

It is an arithmetic number, because the mean of its divisors is an integer number (6775570).

Almost surely, 2^74734087 is an apocalyptic number.

74734087 is a deficient number, since it is larger than the sum of its proper divisors (6572753).

74734087 is a wasteful number, since it uses less digits than its factorization.

74734087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4174 (or 4143 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 74734087 is about 8644.8879113613. The cubic root of 74734087 is about 421.2173431055.

The spelling of 74734087 in words is "seventy-four million, seven hundred thirty-four thousand, eighty-seven".