72340074 has 16 divisors (see below), whose sum is σ = 160755840. Its totient is φ = 24113340.

The previous prime is 72340057. The next prime is 72340091. The reversal of 72340074 is 47004327.

It is an interprime number because it is at equal distance from previous prime (72340057) and next prime (72340091).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 669762 + ... + 669869.

It is an arithmetic number, because the mean of its divisors is an integer number (10047240).

Almost surely, 2^72340074 is an apocalyptic number.

72340074 is an abundant number, since it is smaller than the sum of its proper divisors (88415766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72340074 is a wasteful number, since it uses less digits than its factorization.

72340074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339642 (or 1339636 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 72340074 is about 8505.2968202174. The cubic root of 72340074 is about 416.6707198184.

The spelling of 72340074 in words is "seventy-two million, three hundred forty thousand, seventy-four".