79470145 has 8 divisors (see below), whose sum is σ = 95916456. Its totient is φ = 63207936.

The previous prime is 79470137. The next prime is 79470163. The reversal of 79470145 is 54107497.

It can be written as a sum of positive squares in 4 ways, for example, as 50922496 + 28547649 = 7136^2 + 5343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79470145 - 2³ = 79470137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45072 + ... + 46801.

It is an arithmetic number, because the mean of its divisors is an integer number (11989557).

Almost surely, 2^79470145 is an apocalyptic number.

It is an amenable number.

79470145 is a deficient number, since it is larger than the sum of its proper divisors (16446311).

79470145 is a wasteful number, since it uses less digits than its factorization.

79470145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92051.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 79470145 is about 8914.6029075893. The cubic root of 79470145 is about 429.9335484116.

The spelling of 79470145 in words is "seventy-nine million, four hundred seventy thousand, one hundred forty-five".