742577274 has 32 divisors (see below), whose sum is σ = 1651104000. Its totient is φ = 247385952.

The previous prime is 742577273. The next prime is 742577371. The reversal of 742577274 is 472775247.

742577274 is a `hidden beast` number, since 7 + 4 + 2 + 577 + 2 + 74 = 666.

It is a super-2 number, since 2×742577274² = 1102842015722542152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (742577273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144847 + ... + 149885.

It is an arithmetic number, because the mean of its divisors is an integer number (51597000).

Almost surely, 2^742577274 is an apocalyptic number.

742577274 is an abundant number, since it is smaller than the sum of its proper divisors (908526726).

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

742577274 is a wasteful number, since it uses less digits than its factorization.

742577274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7779 (or 7773 counting only the distinct ones).

The product of its digits is 768320, while the sum is 45.

The square root of 742577274 is about 27250.2710812205. The cubic root of 742577274 is about 905.5530227978.

The spelling of 742577274 in words is "seven hundred forty-two million, five hundred seventy-seven thousand, two hundred seventy-four".