745673722 has 8 divisors (see below), whose sum is σ = 1120051296. Its totient is φ = 372323292.

The previous prime is 745673689. The next prime is 745673729. The reversal of 745673722 is 227376547.

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

It is not an unprimeable number, because it can be changed into a prime (745673729) 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, 254968 + ... + 257875.

It is an arithmetic number, because the mean of its divisors is an integer number (140006412).

Almost surely, 2^745673722 is an apocalyptic number.

745673722 is a deficient number, since it is larger than the sum of its proper divisors (374377574).

745673722 is a wasteful number, since it uses less digits than its factorization.

745673722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513572.

The product of its digits is 493920, while the sum is 43.

The square root of 745673722 is about 27307.0269710930. The cubic root of 745673722 is about 906.8099556972.

The spelling of 745673722 in words is "seven hundred forty-five million, six hundred seventy-three thousand, seven hundred twenty-two".