79540461 has 112 divisors (see below), whose sum is σ = 161589120. Its totient is φ = 37791360.

The previous prime is 79540423. The next prime is 79540469. The reversal of 79540461 is 16404597.

79540461 is a `hidden beast` number, since 79 + 540 + 46 + 1 = 666.

It is not a de Polignac number, because 79540461 - 2¹⁰ = 79539437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79540469) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 729675 + ... + 729783.

It is an arithmetic number, because the mean of its divisors is an integer number (1442760).

Almost surely, 2^79540461 is an apocalyptic number.

It is an amenable number.

79540461 is an abundant number, since it is smaller than the sum of its proper divisors (82048659).

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

79540461 is a wasteful number, since it uses less digits than its factorization.

79540461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 79540461 is about 8918.5459016591. The cubic root of 79540461 is about 430.0603142365.

The spelling of 79540461 in words is "seventy-nine million, five hundred forty thousand, four hundred sixty-one".