612763947 has 20 divisors (see below), whose sum is σ = 916115200. Its totient is φ = 408173904.

The previous prime is 612763937. The next prime is 612763973. The reversal of 612763947 is 749367216.

612763947 is a `hidden beast` number, since 6 + 1 + 2 + 7 + 639 + 4 + 7 = 666.

It is not a de Polignac number, because 612763947 - 2¹⁵ = 612731179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612763937) by changing a digit.

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 in 19 ways as a sum of consecutive naturals, for example, 132429 + ... + 136977.

It is an arithmetic number, because the mean of its divisors is an integer number (45805760).

Almost surely, 2^612763947 is an apocalyptic number.

612763947 is a deficient number, since it is larger than the sum of its proper divisors (303351253).

612763947 is a wasteful number, since it uses less digits than its factorization.

612763947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6224 (or 6215 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 612763947 is about 24754.0693018340. The cubic root of 612763947 is about 849.3715987467.

The spelling of 612763947 in words is "six hundred twelve million, seven hundred sixty-three thousand, nine hundred forty-seven".