274747402 has 4 divisors (see below), whose sum is σ = 412121106. Its totient is φ = 137373700.

The previous prime is 274747357. The next prime is 274747411. The reversal of 274747402 is 204747472.

It is a happy number.

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., 273935601 + 811801 = 16551^2 + 901^2 .

It is a super-2 number, since 2×274747402² = 150972269811499208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68686849 + ... + 68686852.

Almost surely, 2^274747402 is an apocalyptic number.

274747402 is a deficient number, since it is larger than the sum of its proper divisors (137373704).

274747402 is a wasteful number, since it uses less digits than its factorization.

274747402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137373703.

The product of its (nonzero) digits is 87808, while the sum is 37.

The square root of 274747402 is about 16575.5060857882. The cubic root of 274747402 is about 650.0965552816.

The spelling of 274747402 in words is "two hundred seventy-four million, seven hundred forty-seven thousand, four hundred two".