772108140 has 24 divisors (see below), whose sum is σ = 2161902960. Its totient is φ = 205895488.

The previous prime is 772108133. The next prime is 772108157. The reversal of 772108140 is 41801277.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 772108098 and 772108107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6434175 + ... + 6434294.

It is an arithmetic number, because the mean of its divisors is an integer number (90079290).

Almost surely, 2^772108140 is an apocalyptic number.

It is an amenable number.

772108140 is an abundant number, since it is smaller than the sum of its proper divisors (1389794820).

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

772108140 is a wasteful number, since it uses less digits than its factorization.

772108140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12868481 (or 12868479 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 772108140 is about 27786.8339326380. The cubic root of 772108140 is about 917.4013545146.

The spelling of 772108140 in words is "seven hundred seventy-two million, one hundred eight thousand, one hundred forty".