61405674 has 16 divisors (see below), whose sum is σ = 133976160. Its totient is φ = 18607760.

The previous prime is 61405667. The next prime is 61405693. The reversal of 61405674 is 47650416.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465129 + ... + 465260.

It is an arithmetic number, because the mean of its divisors is an integer number (8373510).

Almost surely, 2^61405674 is an apocalyptic number.

61405674 is an abundant number, since it is smaller than the sum of its proper divisors (72570486).

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

61405674 is a wasteful number, since it uses less digits than its factorization.

61405674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930405.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 61405674 is about 7836.1772568007. The cubic root of 61405674 is about 394.5204327905.

The spelling of 61405674 in words is "sixty-one million, four hundred five thousand, six hundred seventy-four".