72951294 has 32 divisors (see below), whose sum is σ = 158205600. Its totient is φ = 22292352.

The previous prime is 72951289. The next prime is 72951311. The reversal of 72951294 is 49215927.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 8484 + ... + 14760.

It is an arithmetic number, because the mean of its divisors is an integer number (4943925).

Almost surely, 2^72951294 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72951294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79102800).

72951294 is an abundant number, since it is smaller than the sum of its proper divisors (85254306).

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

72951294 is a wasteful number, since it uses less digits than its factorization.

72951294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6444.

The product of its digits is 45360, while the sum is 39.

The square root of 72951294 is about 8541.1529666667. The cubic root of 72951294 is about 417.8409496913.

The spelling of 72951294 in words is "seventy-two million, nine hundred fifty-one thousand, two hundred ninety-four".