7491542 has 4 divisors (see below), whose sum is σ = 11237316. Its totient is φ = 3745770.

The previous prime is 7491493. The next prime is 7491551. The reversal of 7491542 is 2451947.

It is a happy number.

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

It is a super-2 number, since 2×7491542² = 112246403075528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7491499 and 7491508.

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, 1872884 + ... + 1872887.

It is an arithmetic number, because the mean of its divisors is an integer number (2809329).

Almost surely, 2^7491542 is an apocalyptic number.

7491542 is a deficient number, since it is larger than the sum of its proper divisors (3745774).

7491542 is a wasteful number, since it uses less digits than its factorization.

7491542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745773.

The product of its digits is 10080, while the sum is 32.

The square root of 7491542 is about 2737.0681394514. The cubic root of 7491542 is about 195.6697722685.

The spelling of 7491542 in words is "seven million, four hundred ninety-one thousand, five hundred forty-two".