2719942 has 4 divisors (see below), whose sum is σ = 4079916. Its totient is φ = 1359970.

The previous prime is 2719933. The next prime is 2719943. The reversal of 2719942 is 2499172.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2719898 and 2719907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2719943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 679984 + ... + 679987.

It is an arithmetic number, because the mean of its divisors is an integer number (1019979).

2^2719942 is an apocalyptic number.

2719942 is a deficient number, since it is larger than the sum of its proper divisors (1359974).

2719942 is a wasteful number, since it uses less digits than its factorization.

2719942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359973.

The product of its digits is 9072, while the sum is 34.

The square root of 2719942 is about 1649.2246663205. The cubic root of 2719942 is about 139.5896487427.

The spelling of 2719942 in words is "two million, seven hundred nineteen thousand, nine hundred forty-two".