79681450 has 48 divisors (see below), whose sum is σ = 155240064. Its totient is φ = 30396800.

The previous prime is 79681429. The next prime is 79681457. The reversal of 79681450 is 5418697.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (79681457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95937 + ... + 96763.

It is an arithmetic number, because the mean of its divisors is an integer number (3234168).

Almost surely, 2^79681450 is an apocalyptic number.

79681450 is a deficient number, since it is larger than the sum of its proper divisors (75558614).

79681450 is a wasteful number, since it uses less digits than its factorization.

79681450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927 (or 922 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 79681450 is about 8926.4466614661. The cubic root of 79681450 is about 430.3142645857.

The spelling of 79681450 in words is "seventy-nine million, six hundred eighty-one thousand, four hundred fifty".