772690416 has 80 divisors (see below), whose sum is σ = 2042547840. Its totient is φ = 251631360.

The previous prime is 772690403. The next prime is 772690421. The reversal of 772690416 is 614096277.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476455 + ... + 478073.

It is an arithmetic number, because the mean of its divisors is an integer number (25531848).

Almost surely, 2^772690416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 772690416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1021273920).

772690416 is an abundant number, since it is smaller than the sum of its proper divisors (1269857424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

772690416 is a wasteful number, since it uses less digits than its factorization.

772690416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854 (or 1848 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 772690416 is about 27797.3095100947. The cubic root of 772690416 is about 917.6319122727.

The spelling of 772690416 in words is "seven hundred seventy-two million, six hundred ninety thousand, four hundred sixteen".