736677401 has 4 divisors (see below), whose sum is σ = 762080100. Its totient is φ = 711274704.

The previous prime is 736677391. The next prime is 736677407. The reversal of 736677401 is 104776637.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 280897600 + 455779801 = 16760^2 + 21349^2 .

It is a cyclic number.

It is not a de Polignac number, because 736677401 - 2¹⁸ = 736415257 is a prime.

It is a super-2 number, since 2×736677401² = 1085387186288229602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (736677407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12701306 + ... + 12701363.

It is an arithmetic number, because the mean of its divisors is an integer number (190520025).

Almost surely, 2^736677401 is an apocalyptic number.

It is an amenable number.

736677401 is a deficient number, since it is larger than the sum of its proper divisors (25402699).

736677401 is a wasteful number, since it uses less digits than its factorization.

736677401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25402698.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 736677401 is about 27141.8017272251. The cubic root of 736677401 is about 903.1483976505.

The spelling of 736677401 in words is "seven hundred thirty-six million, six hundred seventy-seven thousand, four hundred one".