74362961 has 4 divisors (see below), whose sum is σ = 75045300. Its totient is φ = 73680624.

The previous prime is 74362949. The next prime is 74362973. The reversal of 74362961 is 16926347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16926347 = 331 ⋅51137.

It is an interprime number because it is at equal distance from previous prime (74362949) and next prime (74362973).

It can be written as a sum of positive squares in 2 ways, for example, as 64320400 + 10042561 = 8020^2 + 3169^2 .

It is a cyclic number.

It is not a de Polignac number, because 74362961 - 2²⁶ = 7254097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74362661) 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, 341006 + ... + 341223.

It is an arithmetic number, because the mean of its divisors is an integer number (18761325).

Almost surely, 2^74362961 is an apocalyptic number.

74362961 is the 3857-th centered decagonal number.

It is an amenable number.

74362961 is a deficient number, since it is larger than the sum of its proper divisors (682339).

74362961 is a wasteful number, since it uses less digits than its factorization.

74362961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682338.

The product of its digits is 54432, while the sum is 38.

The square root of 74362961 is about 8623.3961407325. The cubic root of 74362961 is about 420.5189371647.

The spelling of 74362961 in words is "seventy-four million, three hundred sixty-two thousand, nine hundred sixty-one".