761451772 has 12 divisors (see below), whose sum is σ = 1335280240. Its totient is φ = 379943136.

The previous prime is 761451763. The next prime is 761451773. The reversal of 761451772 is 277154167.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761451773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193497 + ... + 197392.

Almost surely, 2^761451772 is an apocalyptic number.

It is an amenable number.

761451772 is a deficient number, since it is larger than the sum of its proper divisors (573828468).

761451772 is a wasteful number, since it uses less digits than its factorization.

761451772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391380 (or 391378 counting only the distinct ones).

The product of its digits is 82320, while the sum is 40.

The square root of 761451772 is about 27594.4155944640. The cubic root of 761451772 is about 913.1612359185.

The spelling of 761451772 in words is "seven hundred sixty-one million, four hundred fifty-one thousand, seven hundred seventy-two".