74531061 has 24 divisors (see below), whose sum is σ = 120622944. Its totient is φ = 43947360.

The previous prime is 74531059. The next prime is 74531069. The reversal of 74531061 is 16013547.

74531061 is a `hidden beast` number, since 74 + 531 + 0 + 61 = 666.

It is not a de Polignac number, because 74531061 - 2¹ = 74531059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74531069) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6511 + ... + 13836.

It is an arithmetic number, because the mean of its divisors is an integer number (5025956).

Almost surely, 2^74531061 is an apocalyptic number.

It is an amenable number.

74531061 is a deficient number, since it is larger than the sum of its proper divisors (46091883).

74531061 is a wasteful number, since it uses less digits than its factorization.

74531061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20401 (or 20398 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 74531061 is about 8633.1373787285. The cubic root of 74531061 is about 420.8355644840.

It can be divided in two parts, 74 and 531061, that added together give a palindrome (531135).

The spelling of 74531061 in words is "seventy-four million, five hundred thirty-one thousand, sixty-one".