434153672 has 8 divisors (see below), whose sum is σ = 814038150. Its totient is φ = 217076832.

The previous prime is 434153647. The next prime is 434153689. The reversal of 434153672 is 276351434.

It can be written as a sum of positive squares in only one way, i.e., 416731396 + 17422276 = 20414^2 + 4174^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×434153672² = 376978821822167168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27134597 + ... + 27134612.

Almost surely, 2^434153672 is an apocalyptic number.

434153672 is the 11138-th centered heptagonal number.

It is an amenable number.

434153672 is a deficient number, since it is larger than the sum of its proper divisors (379884478).

434153672 is a wasteful number, since it uses less digits than its factorization.

434153672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54269215 (or 54269211 counting only the distinct ones).

The product of its digits is 60480, while the sum is 35.

The square root of 434153672 is about 20836.3545755970. The cubic root of 434153672 is about 757.2067780647.

The spelling of 434153672 in words is "four hundred thirty-four million, one hundred fifty-three thousand, six hundred seventy-two".