782738136 has 48 divisors (see below), whose sum is σ = 2231494200. Its totient is φ = 247180032.

The previous prime is 782738113. The next prime is 782738137. The reversal of 782738136 is 631837287.

It is a super-2 number, since 2×782738136² = 1225357979097508992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 782738091 and 782738100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (782738137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284721 + ... + 287456.

Almost surely, 2^782738136 is an apocalyptic number.

782738136 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

782738136 is an abundant number, since it is smaller than the sum of its proper divisors (1448756064).

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

782738136 is a wasteful number, since it uses less digits than its factorization.

782738136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572208 (or 572201 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 782738136 is about 27977.4576400358. The cubic root of 782738136 is about 921.5922866741.

The spelling of 782738136 in words is "seven hundred eighty-two million, seven hundred thirty-eight thousand, one hundred thirty-six".