634154734 has 4 divisors (see below), whose sum is σ = 951232104. Its totient is φ = 317077366.

The previous prime is 634154683. The next prime is 634154737. The reversal of 634154734 is 437451436.

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

It is a super-2 number, since 2×634154734² = 804304453309221512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 634154693 and 634154702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634154737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158538682 + ... + 158538685.

It is an arithmetic number, because the mean of its divisors is an integer number (237808026).

Almost surely, 2^634154734 is an apocalyptic number.

634154734 is a deficient number, since it is larger than the sum of its proper divisors (317077370).

634154734 is a wasteful number, since it uses less digits than its factorization.

634154734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317077369.

The product of its digits is 120960, while the sum is 37.

The square root of 634154734 is about 25182.4290726689. The cubic root of 634154734 is about 859.1422554799.

It can be divided in two parts, 6341 and 54734, that added together give a triangular number (61075 = T₃₄₉).

The spelling of 634154734 in words is "six hundred thirty-four million, one hundred fifty-four thousand, seven hundred thirty-four".