742222074 has 32 divisors (see below), whose sum is σ = 1714654656. Its totient is φ = 211685120.

The previous prime is 742222049. The next prime is 742222087. The reversal of 742222074 is 470222247.

It is a super-2 number, since 2×742222074² = 1101787214265722952, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 329637 + ... + 331880.

It is an arithmetic number, because the mean of its divisors is an integer number (53582958).

Almost surely, 2^742222074 is an apocalyptic number.

742222074 is an abundant number, since it is smaller than the sum of its proper divisors (972432582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742222074 is a wasteful number, since it uses less digits than its factorization.

742222074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661550.

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 742222074 is about 27243.7529353061. The cubic root of 742222074 is about 905.4086141532.

The spelling of 742222074 in words is "seven hundred forty-two million, two hundred twenty-two thousand, seventy-four".