761057457421 has 8 divisors (see below), whose sum is σ = 773671723904. Its totient is φ = 748447639920.

The previous prime is 761057457409. The next prime is 761057457469. The reversal of 761057457421 is 124754750167.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 761057457421 - 2⁵ = 761057457389 is a prime.

It is a super-2 number, since 2×761057457421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761057451421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766401 + ... + 1452406.

It is an arithmetic number, because the mean of its divisors is an integer number (96708965488).

Almost surely, 2^761057457421 is an apocalyptic number.

It is an amenable number.

761057457421 is a deficient number, since it is larger than the sum of its proper divisors (12614266483).

761057457421 is a wasteful number, since it uses less digits than its factorization.

761057457421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224491.

The product of its (nonzero) digits is 1646400, while the sum is 49.

The spelling of 761057457421 in words is "seven hundred sixty-one billion, fifty-seven million, four hundred fifty-seven thousand, four hundred twenty-one".