7920037403 has 4 divisors (see below), whose sum is σ = 7932355368. Its totient is φ = 7907719440.

The previous prime is 7920037397. The next prime is 7920037409. The reversal of 7920037403 is 3047300297.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3047300297 = 6323 ⋅481939.

It is an interprime number because it is at equal distance from previous prime (7920037397) and next prime (7920037409).

It is a cyclic number.

It is not a de Polignac number, because 7920037403 - 2¹⁶ = 7919971867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7920037409) 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, 6158018 + ... + 6159303.

It is an arithmetic number, because the mean of its divisors is an integer number (1983088842).

Almost surely, 2^7920037403 is an apocalyptic number.

7920037403 is a deficient number, since it is larger than the sum of its proper divisors (12317965).

7920037403 is a wasteful number, since it uses less digits than its factorization.

7920037403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12317964.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 7920037403 is about 88994.5919873786. The cubic root of 7920037403 is about 1993.3141246911.

The spelling of 7920037403 in words is "seven billion, nine hundred twenty million, thirty-seven thousand, four hundred three".