72340774 has 32 divisors (see below), whose sum is σ = 121305600. Its totient is φ = 32079840.

The previous prime is 72340691. The next prime is 72340781. The reversal of 72340774 is 47704327.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185772 + ... + 186160.

It is an arithmetic number, because the mean of its divisors is an integer number (3790800).

Almost surely, 2^72340774 is an apocalyptic number.

72340774 is a deficient number, since it is larger than the sum of its proper divisors (48964826).

72340774 is a wasteful number, since it uses less digits than its factorization.

72340774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588.

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 72340774 is about 8505.3379709451. The cubic root of 72340774 is about 416.6720637879.

The spelling of 72340774 in words is "seventy-two million, three hundred forty thousand, seven hundred seventy-four".