772616001 has 16 divisors (see below), whose sum is σ = 1036692800. Its totient is φ = 511818048.

The previous prime is 772615993. The next prime is 772616011. The reversal of 772616001 is 100616277.

It is a happy number.

It is not a de Polignac number, because 772616001 - 2³ = 772615993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 772616001.

It is not an unprimeable number, because it can be changed into a prime (772616011) 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, 539955 + ... + 541383.

It is an arithmetic number, because the mean of its divisors is an integer number (64793300).

Almost surely, 2^772616001 is an apocalyptic number.

It is an amenable number.

772616001 is a deficient number, since it is larger than the sum of its proper divisors (264076799).

772616001 is a wasteful number, since it uses less digits than its factorization.

772616001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 772616001 is about 27795.9709490422. The cubic root of 772616001 is about 917.6024533978.

The spelling of 772616001 in words is "seven hundred seventy-two million, six hundred sixteen thousand, one".