749147434 has 16 divisors (see below), whose sum is σ = 1284680448. Its totient is φ = 320956272.

The previous prime is 749147417. The next prime is 749147453. The reversal of 749147434 is 434741947.

It is a super-2 number, since 2×749147434² = 1122443755737568712, which contains 22 as substring.

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, 46524 + ... + 60520.

It is an arithmetic number, because the mean of its divisors is an integer number (80292528).

Almost surely, 2^749147434 is an apocalyptic number.

749147434 is a deficient number, since it is larger than the sum of its proper divisors (535533014).

749147434 is a wasteful number, since it uses less digits than its factorization.

749147434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17829.

The product of its digits is 338688, while the sum is 43.

The square root of 749147434 is about 27370.5577948276. The cubic root of 749147434 is about 908.2158958311.

The spelling of 749147434 in words is "seven hundred forty-nine million, one hundred forty-seven thousand, four hundred thirty-four".