746667138 has 16 divisors (see below), whose sum is σ = 1706667840. Its totient is φ = 213333456.

The previous prime is 746667121. The next prime is 746667139. The reversal of 746667138 is 831766647.

It is a super-2 number, since 2×746667138² = 1115023629938222088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (746667139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8888853 + ... + 8888936.

It is an arithmetic number, because the mean of its divisors is an integer number (106666740).

Almost surely, 2^746667138 is an apocalyptic number.

746667138 is an abundant number, since it is smaller than the sum of its proper divisors (960000702).

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

746667138 is a wasteful number, since it uses less digits than its factorization.

746667138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17777801.

The product of its digits is 1016064, while the sum is 48.

The square root of 746667138 is about 27325.2106670745. The cubic root of 746667138 is about 907.2124730197.

The spelling of 746667138 in words is "seven hundred forty-six million, six hundred sixty-seven thousand, one hundred thirty-eight".