79493750 has 96 divisors (see below), whose sum is σ = 179988480. Its totient is φ = 25740000.

The previous prime is 79493749. The next prime is 79493753. The reversal of 79493750 is 5739497.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79493753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1006211 + ... + 1006289.

It is an arithmetic number, because the mean of its divisors is an integer number (1874880).

Almost surely, 2^79493750 is an apocalyptic number.

79493750 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

79493750 is an abundant number, since it is smaller than the sum of its proper divisors (100494730).

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

79493750 is an equidigital number, since it uses as much as digits as its factorization.

79493750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 79493750 is about 8915.9267605785. The cubic root of 79493750 is about 429.9761118873.

The spelling of 79493750 in words is "seventy-nine million, four hundred ninety-three thousand, seven hundred fifty".