612722954 has 4 divisors (see below), whose sum is σ = 919084434. Its totient is φ = 306361476.

The previous prime is 612722881. The next prime is 612722969. The reversal of 612722954 is 459227216.

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

It can be written as a sum of positive squares in only one way, i.e., 472845025 + 139877929 = 21745^2 + 11827^2 .

It is a super-2 number, since 2×612722954² = 750858836716972232, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153180737 + ... + 153180740.

Almost surely, 2^612722954 is an apocalyptic number.

612722954 is a deficient number, since it is larger than the sum of its proper divisors (306361480).

612722954 is a wasteful number, since it uses less digits than its factorization.

612722954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306361479.

The product of its digits is 60480, while the sum is 38.

The square root of 612722954 is about 24753.2412827088. The cubic root of 612722954 is about 849.3526577572.

The spelling of 612722954 in words is "six hundred twelve million, seven hundred twenty-two thousand, nine hundred fifty-four".