772949952 has 98 divisors (see below), whose sum is σ = 2299820648. Its totient is φ = 257634432.

The previous prime is 772949951. The next prime is 772949953. The reversal of 772949952 is 259949277.

It is an interprime number because it is at equal distance from previous prime (772949951) and next prime (772949953).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772949951) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 38373 + ... + 54939.

Almost surely, 2^772949952 is an apocalyptic number.

772949952 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 772949952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1149910324).

772949952 is an abundant number, since it is smaller than the sum of its proper divisors (1526870696).

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

772949952 is an equidigital number, since it uses as much as digits as its factorization.

772949952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16597 (or 16572 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 772949952 is about 27801.9774836252. The cubic root of 772949952 is about 917.7346407184.

The spelling of 772949952 in words is "seven hundred seventy-two million, nine hundred forty-nine thousand, nine hundred fifty-two".