7770401 has 8 divisors (see below), whose sum is σ = 8008704. Its totient is φ = 7534800.

The previous prime is 7770391. The next prime is 7770403. The reversal of 7770401 is 1040777.

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 7770401 - 2⁶ = 7770337 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 (7770403) 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, 6176 + ... + 7326.

It is an arithmetic number, because the mean of its divisors is an integer number (1001088).

Almost surely, 2^7770401 is an apocalyptic number.

It is an amenable number.

7770401 is a deficient number, since it is larger than the sum of its proper divisors (238303).

7770401 is a wasteful number, since it uses less digits than its factorization.

7770401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 7770401 is about 2787.5439009996. The cubic root of 7770401 is about 198.0680733862.

The spelling of 7770401 in words is "seven million, seven hundred seventy thousand, four hundred one".