7461399387 has 32 divisors (see below), whose sum is σ = 11213250048. Its totient is φ = 4378784256.

The previous prime is 7461399329. The next prime is 7461399437. The reversal of 7461399387 is 7839931647.

It is not a de Polignac number, because 7461399387 - 2¹⁹ = 7460875099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7461399587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289948 + ... + 314630.

It is an arithmetic number, because the mean of its divisors is an integer number (350414064).

Almost surely, 2^7461399387 is an apocalyptic number.

7461399387 is a deficient number, since it is larger than the sum of its proper divisors (3751850661).

7461399387 is a wasteful number, since it uses less digits than its factorization.

7461399387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25059.

The product of its digits is 6858432, while the sum is 57.

The square root of 7461399387 is about 86379.3921430337. The cubic root of 7461399387 is about 1954.0699030932.

The spelling of 7461399387 in words is "seven billion, four hundred sixty-one million, three hundred ninety-nine thousand, three hundred eighty-seven".