745557682 has 8 divisors (see below), whose sum is σ = 1177196400. Its totient is φ = 353158884.

The previous prime is 745557671. The next prime is 745557697. The reversal of 745557682 is 286755547.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9809932 + ... + 9810007.

It is an arithmetic number, because the mean of its divisors is an integer number (147149550).

Almost surely, 2^745557682 is an apocalyptic number.

745557682 is a deficient number, since it is larger than the sum of its proper divisors (431638718).

745557682 is a wasteful number, since it uses less digits than its factorization.

745557682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19619960.

The product of its digits is 2352000, while the sum is 49.

The square root of 745557682 is about 27304.9021606011. The cubic root of 745557682 is about 906.7629147090.

The spelling of 745557682 in words is "seven hundred forty-five million, five hundred fifty-seven thousand, six hundred eighty-two".