770630421 has 8 divisors (see below), whose sum is σ = 1120917024. Its totient is φ = 467048720.

The previous prime is 770630411. The next prime is 770630429. The reversal of 770630421 is 124036077.

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 770630421 - 2⁷ = 770630293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770630429) 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, 11676186 + ... + 11676251.

It is an arithmetic number, because the mean of its divisors is an integer number (140114628).

Almost surely, 2^770630421 is an apocalyptic number.

It is an amenable number.

770630421 is a deficient number, since it is larger than the sum of its proper divisors (350286603).

770630421 is a wasteful number, since it uses less digits than its factorization.

770630421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23352451.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 770630421 is about 27760.2309248320. The cubic root of 770630421 is about 916.8157166924.

Adding to 770630421 its reverse (124036077), we get a palindrome (894666498).

The spelling of 770630421 in words is "seven hundred seventy million, six hundred thirty thousand, four hundred twenty-one".