274624942 has 4 divisors (see below), whose sum is σ = 411937416. Its totient is φ = 137312470.

The previous prime is 274624937. The next prime is 274624949. The reversal of 274624942 is 249426472.

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 = 274624895 and 274624904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274624949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68656234 + ... + 68656237.

It is an arithmetic number, because the mean of its divisors is an integer number (102984354).

Almost surely, 2^274624942 is an apocalyptic number.

274624942 is a deficient number, since it is larger than the sum of its proper divisors (137312474).

274624942 is a wasteful number, since it uses less digits than its factorization.

274624942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137312473.

The product of its digits is 193536, while the sum is 40.

The square root of 274624942 is about 16571.8116692171. The cubic root of 274624942 is about 649.9999542406. Note that the first 4 decimals are identical.

The spelling of 274624942 in words is "two hundred seventy-four million, six hundred twenty-four thousand, nine hundred forty-two".