7400072734 has 4 divisors (see below), whose sum is σ = 11100109104. Its totient is φ = 3700036366.

The previous prime is 7400072731. The next prime is 7400072741. The reversal of 7400072734 is 4372700047.

It is a happy number.

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

It is a super-2 number, since 2×7400072734² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7400072734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7400072731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1850018182 + ... + 1850018185.

It is an arithmetic number, because the mean of its divisors is an integer number (2775027276).

Almost surely, 2^7400072734 is an apocalyptic number.

7400072734 is a deficient number, since it is larger than the sum of its proper divisors (3700036370).

7400072734 is a wasteful number, since it uses less digits than its factorization.

7400072734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700036369.

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 7400072734 is about 86023.6754271753. The cubic root of 7400072734 is about 1948.7015448760.

The spelling of 7400072734 in words is "seven billion, four hundred million, seventy-two thousand, seven hundred thirty-four".