7620988403 has 4 divisors (see below), whose sum is σ = 8709701040. Its totient is φ = 6532275768.

The previous prime is 7620988399. The next prime is 7620988421. The reversal of 7620988403 is 3048890267.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3048890267 = 383 ⋅7960549.

It is a cyclic number.

It is not a de Polignac number, because 7620988403 - 2² = 7620988399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7620988423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544356308 + ... + 544356321.

It is an arithmetic number, because the mean of its divisors is an integer number (2177425260).

Almost surely, 2^7620988403 is an apocalyptic number.

7620988403 is a deficient number, since it is larger than the sum of its proper divisors (1088712637).

7620988403 is a wasteful number, since it uses less digits than its factorization.

7620988403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088712636.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 7620988403 is about 87298.2726232312. The cubic root of 7620988403 is about 1967.9033585350.

The spelling of 7620988403 in words is "seven billion, six hundred twenty million, nine hundred eighty-eight thousand, four hundred three".