73744442 has 4 divisors (see below), whose sum is σ = 110616666. Its totient is φ = 36872220.

The previous prime is 73744427. The next prime is 73744459. The reversal of 73744442 is 24444737.

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

It can be written as a sum of positive squares in only one way, i.e., 72914521 + 829921 = 8539^2 + 911^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18436109 + ... + 18436112.

Almost surely, 2^73744442 is an apocalyptic number.

73744442 is a deficient number, since it is larger than the sum of its proper divisors (36872224).

73744442 is a wasteful number, since it uses less digits than its factorization.

73744442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36872223.

The product of its digits is 75264, while the sum is 35.

The square root of 73744442 is about 8587.4584132909. The cubic root of 73744442 is about 419.3497913512.

The spelling of 73744442 in words is "seventy-three million, seven hundred forty-four thousand, four hundred forty-two".