34400079 has 16 divisors (see below), whose sum is σ = 58243840. Its totient is φ = 19657080.

The previous prime is 34400063. The next prime is 34400083. The reversal of 34400079 is 97000443.

It is not a de Polignac number, because 34400079 - 2⁴ = 34400063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34400029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90817 + ... + 91194.

It is an arithmetic number, because the mean of its divisors is an integer number (3640240).

Almost surely, 2^34400079 is an apocalyptic number.

34400079 is a deficient number, since it is larger than the sum of its proper divisors (23843761).

34400079 is a wasteful number, since it uses less digits than its factorization.

34400079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182027 (or 182021 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 34400079 is about 5865.1580541363. The cubic root of 34400079 is about 325.2269152979.

The spelling of 34400079 in words is "thirty-four million, four hundred thousand, seventy-nine".