772270038 has 48 divisors (see below), whose sum is σ = 1752515856. Its totient is φ = 254858400.

The previous prime is 772270013. The next prime is 772270043. The reversal of 772270038 is 830072277.

It is a junction number, because it is equal to n+sod(n) for n = 772269984 and 772270011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41220 + ... + 56952.

It is an arithmetic number, because the mean of its divisors is an integer number (36510747).

Almost surely, 2^772270038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 772270038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (876257928).

772270038 is an abundant number, since it is smaller than the sum of its proper divisors (980245818).

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

772270038 is a wasteful number, since it uses less digits than its factorization.

772270038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15851 (or 15839 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 772270038 is about 27789.7469941703. The cubic root of 772270038 is about 917.4654712088.

The spelling of 772270038 in words is "seven hundred seventy-two million, two hundred seventy thousand, thirty-eight".