74961971 has 4 divisors (see below), whose sum is σ = 85670832. Its totient is φ = 64253112.

The previous prime is 74961949. The next prime is 74961977. The reversal of 74961971 is 17916947.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 74961971 - 2¹⁴ = 74945587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74961977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5354420 + ... + 5354433.

It is an arithmetic number, because the mean of its divisors is an integer number (21417708).

Almost surely, 2^74961971 is an apocalyptic number.

74961971 is a deficient number, since it is larger than the sum of its proper divisors (10708861).

74961971 is a wasteful number, since it uses less digits than its factorization.

74961971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10708860.

The product of its digits is 95256, while the sum is 44.

The square root of 74961971 is about 8658.0581541128. The cubic root of 74961971 is about 421.6450430429.

The spelling of 74961971 in words is "seventy-four million, nine hundred sixty-one thousand, nine hundred seventy-one".