746744678 has 16 divisors (see below), whose sum is σ = 1162321920. Its totient is φ = 359430600.

The previous prime is 746744653. The next prime is 746744683. The reversal of 746744678 is 876447647.

It is a happy number.

It is a super-2 number, since 2×746744678² = 1115255228242647368, which contains 22 as substring.

It is a congruent number.

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, 19688 + ... + 43371.

It is an arithmetic number, because the mean of its divisors is an integer number (72645120).

Almost surely, 2^746744678 is an apocalyptic number.

746744678 is a deficient number, since it is larger than the sum of its proper divisors (415577242).

746744678 is a wasteful number, since it uses less digits than its factorization.

746744678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63283.

The product of its digits is 6322176, while the sum is 53.

The square root of 746744678 is about 27326.6294665112. The cubic root of 746744678 is about 907.2438760446.

The spelling of 746744678 in words is "seven hundred forty-six million, seven hundred forty-four thousand, six hundred seventy-eight".