612703954 has 4 divisors (see below), whose sum is σ = 919055934. Its totient is φ = 306351976.

The previous prime is 612703951. The next prime is 612703991. The reversal of 612703954 is 459307216.

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., 571449025 + 41254929 = 23905^2 + 6423^2 .

It is a super-2 number, since 2×612703954² = 750812270494468232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (612703951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153175987 + ... + 153175990.

Almost surely, 2^612703954 is an apocalyptic number.

612703954 is a deficient number, since it is larger than the sum of its proper divisors (306351980).

612703954 is a wasteful number, since it uses less digits than its factorization.

612703954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306351979.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 612703954 is about 24752.8574916109. The cubic root of 612703954 is about 849.3438784401.

The spelling of 612703954 in words is "six hundred twelve million, seven hundred three thousand, nine hundred fifty-four".