7474028542 has 4 divisors (see below), whose sum is σ = 11211042816. Its totient is φ = 3737014270.

The previous prime is 7474028519. The next prime is 7474028579. The reversal of 7474028542 is 2458204747.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2458204747 = 1237 ⋅1987231.

It is a super-2 number, since 2×7474028542² (a number of 21 digits) contains 22 as substring.

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, 1868507134 + ... + 1868507137.

It is an arithmetic number, because the mean of its divisors is an integer number (2802760704).

Almost surely, 2^7474028542 is an apocalyptic number.

7474028542 is a deficient number, since it is larger than the sum of its proper divisors (3737014274).

7474028542 is a wasteful number, since it uses less digits than its factorization.

7474028542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737014273.

The product of its (nonzero) digits is 501760, while the sum is 43.

The square root of 7474028542 is about 86452.4640597363. The cubic root of 7474028542 is about 1955.1717670567.

The spelling of 7474028542 in words is "seven billion, four hundred seventy-four million, twenty-eight thousand, five hundred forty-two".