76773401 has 2 divisors, whose sum is σ = 76773402. Its totient is φ = 76773400.

The previous prime is 76773373. The next prime is 76773439. The reversal of 76773401 is 10437767.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46512400 + 30261001 = 6820^2 + 5501^2 .

It is a cyclic number.

It is not a de Polignac number, because 76773401 - 2¹⁸ = 76511257 is a prime.

It is a super-2 number, since 2×76773401² = 11788310202213602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76773451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38386700 + 38386701.

It is an arithmetic number, because the mean of its divisors is an integer number (38386701).

Almost surely, 2^76773401 is an apocalyptic number.

It is an amenable number.

76773401 is a deficient number, since it is larger than the sum of its proper divisors (1).

76773401 is an equidigital number, since it uses as much as digits as its factorization.

76773401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 76773401 is about 8762.0431977935. The cubic root of 76773401 is about 425.0143496885.

The spelling of 76773401 in words is "seventy-six million, seven hundred seventy-three thousand, four hundred one".