72770294 has 8 divisors (see below), whose sum is σ = 109192008. Its totient is φ = 36372960.

The previous prime is 72770293. The next prime is 72770303. The reversal of 72770294 is 49207727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72770293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6974 + ... + 13934.

It is an arithmetic number, because the mean of its divisors is an integer number (13649001).

Almost surely, 2^72770294 is an apocalyptic number.

72770294 is a deficient number, since it is larger than the sum of its proper divisors (36421714).

72770294 is a wasteful number, since it uses less digits than its factorization.

72770294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12190.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 72770294 is about 8530.5506270111. The cubic root of 72770294 is about 417.4950940655.

The spelling of 72770294 in words is "seventy-two million, seven hundred seventy thousand, two hundred ninety-four".