61074742 has 8 divisors (see below), whose sum is σ = 92772000. Its totient is φ = 30150744.

The previous prime is 61074719. The next prime is 61074757. The reversal of 61074742 is 24747016.

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

It is a super-2 number, since 2×61074742² = 7460248220733128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193117 + ... + 193432.

It is an arithmetic number, because the mean of its divisors is an integer number (11596500).

Almost surely, 2^61074742 is an apocalyptic number.

61074742 is a deficient number, since it is larger than the sum of its proper divisors (31697258).

61074742 is a wasteful number, since it uses less digits than its factorization.

61074742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386630.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 61074742 is about 7815.0330773452. The cubic root of 61074742 is about 393.8104295596.

It can be divided in two parts, 61074 and 742, that added together give a palindrome (61816).

The spelling of 61074742 in words is "sixty-one million, seventy-four thousand, seven hundred forty-two".