72179630 has 8 divisors (see below), whose sum is σ = 129923352. Its totient is φ = 28871848.

The previous prime is 72179629. The next prime is 72179633. The reversal of 72179630 is 3697127.

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 (72179633) 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, 3608972 + ... + 3608991.

It is an arithmetic number, because the mean of its divisors is an integer number (16240419).

Almost surely, 2^72179630 is an apocalyptic number.

72179630 is a deficient number, since it is larger than the sum of its proper divisors (57743722).

72179630 is a wasteful number, since it uses less digits than its factorization.

72179630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7217970.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 72179630 is about 8495.8595798189. The cubic root of 72179630 is about 416.3624453103.

The spelling of 72179630 in words is "seventy-two million, one hundred seventy-nine thousand, six hundred thirty".