766675632 has 80 divisors (see below), whose sum is σ = 2061074432. Its totient is φ = 245306880.

The previous prime is 766675627. The next prime is 766675643. The reversal of 766675632 is 236576667.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 186948 + ... + 191004.

Almost surely, 2^766675632 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 766675632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030537216).

766675632 is an abundant number, since it is smaller than the sum of its proper divisors (1294398800).

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

766675632 is a wasteful number, since it uses less digits than its factorization.

766675632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226 (or 4220 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 48.

The square root of 766675632 is about 27688.9081041489. The cubic root of 766675632 is about 915.2446943285.

The spelling of 766675632 in words is "seven hundred sixty-six million, six hundred seventy-five thousand, six hundred thirty-two".