74442610 has 16 divisors (see below), whose sum is σ = 146178432. Its totient is φ = 27070000.

The previous prime is 74442587. The next prime is 74442611. The reversal of 74442610 is 1624447.

It is a super-2 number, since 2×74442610² = 11083404367224200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74442611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338266 + ... + 338485.

It is an arithmetic number, because the mean of its divisors is an integer number (9136152).

Almost surely, 2^74442610 is an apocalyptic number.

74442610 is a deficient number, since it is larger than the sum of its proper divisors (71735822).

74442610 is a wasteful number, since it uses less digits than its factorization.

74442610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676769.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 74442610 is about 8628.0130968839. The cubic root of 74442610 is about 420.6690206705.

The spelling of 74442610 in words is "seventy-four million, four hundred forty-two thousand, six hundred ten".