77754001 has 4 divisors (see below), whose sum is σ = 83735092. Its totient is φ = 71772912.

The previous prime is 77753993. The next prime is 77754013. The reversal of 77754001 is 10045777.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10045777 = 7 ⋅1435111.

It can be written as a sum of positive squares in 2 ways, for example, as 37761025 + 39992976 = 6145^2 + 6324^2 .

It is a cyclic number.

It is not a de Polignac number, because 77754001 - 2³ = 77753993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77754101) 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, 2990526 + ... + 2990551.

It is an arithmetic number, because the mean of its divisors is an integer number (20933773).

Almost surely, 2^77754001 is an apocalyptic number.

It is an amenable number.

77754001 is a deficient number, since it is larger than the sum of its proper divisors (5981091).

77754001 is a wasteful number, since it uses less digits than its factorization.

77754001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5981090.

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 77754001 is about 8817.8229172512. The cubic root of 77754001 is about 426.8162200205.

Adding to 77754001 its reverse (10045777), we get a palindrome (87799778).

The spelling of 77754001 in words is "seventy-seven million, seven hundred fifty-four thousand, one".