699742 has 4 divisors (see below), whose sum is σ = 1049616. Its totient is φ = 349870.

The previous prime is 699733. The next prime is 699757. The reversal of 699742 is 247996.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174934 + ... + 174937.

It is an arithmetic number, because the mean of its divisors is an integer number (262404).

2⁶⁹⁹⁷⁴² is an apocalyptic number.

699742 is a deficient number, since it is larger than the sum of its proper divisors (349874).

699742 is a wasteful number, since it uses less digits than its factorization.

699742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349873.

The product of its digits is 27216, while the sum is 37.

The square root of 699742 is about 836.5058278339. The cubic root of 699742 is about 88.7794902989.

It can be divided in two parts, 699 and 742, that added together give a palindrome (1441).

The spelling of 699742 in words is "six hundred ninety-nine thousand, seven hundred forty-two".