7400154742 has 4 divisors (see below), whose sum is σ = 11100232116. Its totient is φ = 3700077370.

The previous prime is 7400154731. The next prime is 7400154763. The reversal of 7400154742 is 2474510047.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2474510047 = 113 ⋅21898319.

It is a junction number, because it is equal to n+sod(n) for n = 7400154698 and 7400154707.

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, 1850038684 + ... + 1850038687.

It is an arithmetic number, because the mean of its divisors is an integer number (2775058029).

Almost surely, 2^7400154742 is an apocalyptic number.

7400154742 is a deficient number, since it is larger than the sum of its proper divisors (3700077374).

7400154742 is a wasteful number, since it uses less digits than its factorization.

7400154742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700077373.

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 7400154742 is about 86024.1520853301. The cubic root of 7400154742 is about 1948.7087433875.

Adding to 7400154742 its reverse (2474510047), we get a palindrome (9874664789).

The spelling of 7400154742 in words is "seven billion, four hundred million, one hundred fifty-four thousand, seven hundred forty-two".