3100742 has 4 divisors (see below), whose sum is σ = 4651116. Its totient is φ = 1550370.

The previous prime is 3100739. The next prime is 3100807. The reversal of 3100742 is 2470013.

It is a happy number.

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

It is a super-2 number, since 2×3100742² = 19229201901128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3100742.

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, 775184 + ... + 775187.

It is an arithmetic number, because the mean of its divisors is an integer number (1162779).

Almost surely, 2^3100742 is an apocalyptic number.

3100742 is a deficient number, since it is larger than the sum of its proper divisors (1550374).

3100742 is a wasteful number, since it uses less digits than its factorization.

3100742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550373.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 3100742 is about 1760.8923873991. The cubic root of 3100742 is about 145.8216060955.

Adding to 3100742 its reverse (2470013), we get a palindrome (5570755).

The spelling of 3100742 in words is "three million, one hundred thousand, seven hundred forty-two".