734401879 has 4 divisors (see below), whose sum is σ = 738907576. Its totient is φ = 729896184.

The previous prime is 734401823. The next prime is 734401903. The reversal of 734401879 is 978104437.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 734401879 - 2¹³ = 734393687 is a prime.

It is a super-2 number, since 2×734401879² = 1078692239757461282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734401979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2252604 + ... + 2252929.

It is an arithmetic number, because the mean of its divisors is an integer number (184726894).

Almost surely, 2^734401879 is an apocalyptic number.

734401879 is a deficient number, since it is larger than the sum of its proper divisors (4505697).

734401879 is a wasteful number, since it uses less digits than its factorization.

734401879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4505696.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 734401879 is about 27099.8501656374. The cubic root of 734401879 is about 902.2175271783.

The spelling of 734401879 in words is "seven hundred thirty-four million, four hundred one thousand, eight hundred seventy-nine".