72304750 has 64 divisors (see below), whose sum is σ = 156948480. Its totient is φ = 24429600.

The previous prime is 72304733. The next prime is 72304751. The reversal of 72304750 is 5740327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72304751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137989 + ... + 138511.

It is an arithmetic number, because the mean of its divisors is an integer number (2452320).

Almost surely, 2^72304750 is an apocalyptic number.

72304750 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72304750 is an abundant number, since it is smaller than the sum of its proper divisors (84643730).

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

72304750 is a wasteful number, since it uses less digits than its factorization.

72304750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 72304750 is about 8503.2199783376. The cubic root of 72304750 is about 416.6028880158.

It can be divided in two parts, 72 and 304750, that multiplied together give a triangular number (21942000 = T₆₆₂₄).

The spelling of 72304750 in words is "seventy-two million, three hundred four thousand, seven hundred fifty".