79154745 has 8 divisors (see below), whose sum is σ = 126647616. Its totient is φ = 42215856.

The previous prime is 79154743. The next prime is 79154783. The reversal of 79154745 is 54745197.

It is a happy number.

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

It is not a de Polignac number, because 79154745 - 2¹ = 79154743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79154697 and 79154706.

It is not an unprimeable number, because it can be changed into a prime (79154743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2638477 + ... + 2638506.

It is an arithmetic number, because the mean of its divisors is an integer number (15830952).

Almost surely, 2^79154745 is an apocalyptic number.

It is an amenable number.

79154745 is a deficient number, since it is larger than the sum of its proper divisors (47492871).

79154745 is a wasteful number, since it uses less digits than its factorization.

79154745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5276991.

The product of its digits is 176400, while the sum is 42.

The square root of 79154745 is about 8896.8952449717. The cubic root of 79154745 is about 429.3640228861.

The spelling of 79154745 in words is "seventy-nine million, one hundred fifty-four thousand, seven hundred forty-five".