79620045 has 16 divisors (see below), whose sum is σ = 129796992. Its totient is φ = 41662400.

The previous prime is 79620029. The next prime is 79620077. The reversal of 79620045 is 54002697.

It is not a de Polignac number, because 79620045 - 2⁴ = 79620029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79619988 and 79620015.

It is a congruent number.

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, 49281 + ... + 50870.

It is an arithmetic number, because the mean of its divisors is an integer number (8112312).

Almost surely, 2^79620045 is an apocalyptic number.

It is an amenable number.

79620045 is a deficient number, since it is larger than the sum of its proper divisors (50176947).

79620045 is a wasteful number, since it uses less digits than its factorization.

79620045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100212.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 79620045 is about 8923.0065000537. The cubic root of 79620045 is about 430.2036983334.

The spelling of 79620045 in words is "seventy-nine million, six hundred twenty thousand, forty-five".