677409072 has 40 divisors (see below), whose sum is σ = 1751267376. Its totient is φ = 225636096.

The previous prime is 677409067. The next prime is 677409077. The reversal of 677409072 is 270904776.

It is an interprime number because it is at equal distance from previous prime (677409067) and next prime (677409077).

It is not an unprimeable number, because it can be changed into a prime (677409077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72238 + ... + 81074.

Almost surely, 2^677409072 is an apocalyptic number.

It is an amenable number.

677409072 is an abundant number, since it is smaller than the sum of its proper divisors (1073858304).

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

677409072 is a wasteful number, since it uses less digits than its factorization.

677409072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10445 (or 10439 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 677409072 is about 26027.0834324555. The cubic root of 677409072 is about 878.2476630393.

The spelling of 677409072 in words is "six hundred seventy-seven million, four hundred nine thousand, seventy-two".