746047531 has 4 divisors (see below), whose sum is σ = 749334312. Its totient is φ = 742760752.

The previous prime is 746047501. The next prime is 746047541. The reversal of 746047531 is 135740647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135740647 = 7 ⋅19391521.

It is a cyclic number.

It is not a de Polignac number, because 746047531 - 2²³ = 737658923 is a prime.

It is a super-2 number, since 2×746047531² = 1113173837022391922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (746047501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643050 + ... + 1643503.

It is an arithmetic number, because the mean of its divisors is an integer number (187333578).

Almost surely, 2^746047531 is an apocalyptic number.

746047531 is a deficient number, since it is larger than the sum of its proper divisors (3286781).

746047531 is a wasteful number, since it uses less digits than its factorization.

746047531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286780.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 746047531 is about 27313.8706704121. The cubic root of 746047531 is about 906.9614594472.

The spelling of 746047531 in words is "seven hundred forty-six million, forty-seven thousand, five hundred thirty-one".