77452401 has 16 divisors (see below), whose sum is σ = 111386240. Its totient is φ = 47589120.

The previous prime is 77452393. The next prime is 77452411. The reversal of 77452401 is 10425477.

It is not a de Polignac number, because 77452401 - 2³ = 77452393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77452411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34761 + ... + 36921.

It is an arithmetic number, because the mean of its divisors is an integer number (6961640).

Almost surely, 2^77452401 is an apocalyptic number.

It is an amenable number.

77452401 is a deficient number, since it is larger than the sum of its proper divisors (33933839).

77452401 is a wasteful number, since it uses less digits than its factorization.

77452401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 77452401 is about 8800.7045740668. The cubic root of 77452401 is about 426.2636457880.

Adding to 77452401 its reverse (10425477), we get a palindrome (87877878).

The spelling of 77452401 in words is "seventy-seven million, four hundred fifty-two thousand, four hundred one".