79043340 has 48 divisors (see below), whose sum is σ = 221931360. Its totient is φ = 21020160.

The previous prime is 79043329. The next prime is 79043369. The reversal of 79043340 is 4334097.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 79043298 and 79043307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22930 + ... + 26150.

It is an arithmetic number, because the mean of its divisors is an integer number (4623570).

Almost surely, 2^79043340 is an apocalyptic number.

It is an amenable number.

79043340 is an abundant number, since it is smaller than the sum of its proper divisors (142888020).

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

79043340 is a wasteful number, since it uses less digits than its factorization.

79043340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642 (or 3640 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 79043340 is about 8890.6321485033. The cubic root of 79043340 is about 429.1624946128.

The spelling of 79043340 in words is "seventy-nine million, forty-three thousand, three hundred forty".