72601930 has 8 divisors (see below), whose sum is σ = 130683492. Its totient is φ = 29040768.

The previous prime is 72601913. The next prime is 72601933. The reversal of 72601930 is 3910627.

It can be written as a sum of positive squares in 2 ways, for example, as 71723961 + 877969 = 8469^2 + 937^2 .

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

It is not an unprimeable number, because it can be changed into a prime (72601933) 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, 3630087 + ... + 3630106.

Almost surely, 2^72601930 is an apocalyptic number.

72601930 is a deficient number, since it is larger than the sum of its proper divisors (58081562).

72601930 is a wasteful number, since it uses less digits than its factorization.

72601930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7260200.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 72601930 is about 8520.6766163257. The cubic root of 72601930 is about 417.1728681529.

The spelling of 72601930 in words is "seventy-two million, six hundred one thousand, nine hundred thirty".