761047045 has 24 divisors (see below), whose sum is σ = 1007854848. Its totient is φ = 551268960.

The previous prime is 761047031. The next prime is 761047061. The reversal of 761047045 is 540740167.

It is a happy number.

It is not a de Polignac number, because 761047045 - 2⁵ = 761047013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 761047045.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 156724 + ... + 161506.

It is an arithmetic number, because the mean of its divisors is an integer number (41993952).

Almost surely, 2^761047045 is an apocalyptic number.

It is an amenable number.

761047045 is a deficient number, since it is larger than the sum of its proper divisors (246807803).

761047045 is a wasteful number, since it uses less digits than its factorization.

761047045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5073 (or 5062 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 761047045 is about 27587.0811250484. The cubic root of 761047045 is about 912.9994193638. Note that the first 3 decimals are identical.

It can be divided in two parts, 76 and 1047045, that multiplied together give a triangular number (79575420 = T₁₂₆₁₅).

The spelling of 761047045 in words is "seven hundred sixty-one million, forty-seven thousand, forty-five".