7405075506 has 32 divisors (see below), whose sum is σ = 15192023040. Its totient is φ = 2405176976.

The previous prime is 7405075501. The next prime is 7405075519. The reversal of 7405075506 is 6055705047.

It is a super-2 number, since 2×7405075506² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7405075501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6175 + ... + 121853.

It is an arithmetic number, because the mean of its divisors is an integer number (474750720).

Almost surely, 2^7405075506 is an apocalyptic number.

7405075506 is an abundant number, since it is smaller than the sum of its proper divisors (7786947534).

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

7405075506 is a wasteful number, since it uses less digits than its factorization.

7405075506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115958.

The product of its (nonzero) digits is 147000, while the sum is 39.

The square root of 7405075506 is about 86052.7483930641. The cubic root of 7405075506 is about 1949.1405817073.

The spelling of 7405075506 in words is "seven billion, four hundred five million, seventy-five thousand, five hundred six".