770132021 has 8 divisors (see below), whose sum is σ = 789840480. Its totient is φ = 750505392.

The previous prime is 770132003. The next prime is 770132059. The reversal of 770132021 is 120231077.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-770132021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770132081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1166 + ... + 39263.

It is an arithmetic number, because the mean of its divisors is an integer number (98730060).

Almost surely, 2^770132021 is an apocalyptic number.

It is an amenable number.

770132021 is a deficient number, since it is larger than the sum of its proper divisors (19708459).

770132021 is a wasteful number, since it uses less digits than its factorization.

770132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40915.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 770132021 is about 27751.2526023601. The cubic root of 770132021 is about 916.6180259516.

Adding to 770132021 its reverse (120231077), we get a palindrome (890363098).

The spelling of 770132021 in words is "seven hundred seventy million, one hundred thirty-two thousand, twenty-one".