7620342 has 16 divisors (see below), whose sum is σ = 15612912. Its totient is φ = 2478080.

The previous prime is 7620329. The next prime is 7620343. The reversal of 7620342 is 2430267.

It is a super-2 number, since 2×7620342² = 116139224393928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7620343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15243 + ... + 15734.

It is an arithmetic number, because the mean of its divisors is an integer number (975807).

Almost surely, 2^7620342 is an apocalyptic number.

7620342 is an abundant number, since it is smaller than the sum of its proper divisors (7992570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7620342 is a wasteful number, since it uses less digits than its factorization.

7620342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31023.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 7620342 is about 2760.4966944374. The cubic root of 7620342 is about 196.7847718569.

It can be divided in two parts, 76203 and 42, that added together give a triangular number (76245 = T₃₉₀).

The spelling of 7620342 in words is "seven million, six hundred twenty thousand, three hundred forty-two".