74152022 has 16 divisors (see below), whose sum is σ = 133808640. Its totient is φ = 30106728.

The previous prime is 74152019. The next prime is 74152037. The reversal of 74152022 is 22025147.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139118 + ... + 139649.

It is an arithmetic number, because the mean of its divisors is an integer number (8363040).

Almost surely, 2^74152022 is an apocalyptic number.

74152022 is a deficient number, since it is larger than the sum of its proper divisors (59656618).

74152022 is a wasteful number, since it uses less digits than its factorization.

74152022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278795.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 74152022 is about 8611.1568328535. The cubic root of 74152022 is about 420.1209440054.

Adding to 74152022 its reverse (22025147), we get a palindrome (96177169).

The spelling of 74152022 in words is "seventy-four million, one hundred fifty-two thousand, twenty-two".