761220923 has 4 divisors (see below), whose sum is σ = 761283600. Its totient is φ = 761158248.

The previous prime is 761220847. The next prime is 761220931. The reversal of 761220923 is 329022167.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 329022167 = 37 ⋅8892491.

It is a cyclic number.

It is not a de Polignac number, because 761220923 - 2¹⁶ = 761155387 is a prime.

It is a super-2 number, since 2×761220923² = 1158914587225943858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 761220923.

It is not an unprimeable number, because it can be changed into a prime (761220953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6623 + ... + 39576.

It is an arithmetic number, because the mean of its divisors is an integer number (190320900).

Almost surely, 2^761220923 is an apocalyptic number.

761220923 is a deficient number, since it is larger than the sum of its proper divisors (62677).

761220923 is a wasteful number, since it uses less digits than its factorization.

761220923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62676.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 761220923 is about 27590.2323839434. The cubic root of 761220923 is about 913.0689456941.

The spelling of 761220923 in words is "seven hundred sixty-one million, two hundred twenty thousand, nine hundred twenty-three".