612671272 has 8 divisors (see below), whose sum is σ = 1148758650. Its totient is φ = 306335632.

The previous prime is 612671221. The next prime is 612671287. The reversal of 612671272 is 272176216.

It can be written as a sum of positive squares in only one way, i.e., 604864836 + 7806436 = 24594^2 + 2794^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38291947 + ... + 38291962.

Almost surely, 2^612671272 is an apocalyptic number.

It is an amenable number.

612671272 is a deficient number, since it is larger than the sum of its proper divisors (536087378).

612671272 is a wasteful number, since it uses less digits than its factorization.

612671272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76583915 (or 76583911 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 612671272 is about 24752.1973166020. The cubic root of 612671272 is about 849.3287766660.

The spelling of 612671272 in words is "six hundred twelve million, six hundred seventy-one thousand, two hundred seventy-two".