7361520947 has 4 divisors (see below), whose sum is σ = 8030750136. Its totient is φ = 6692291760.

The previous prime is 7361520937. The next prime is 7361520961. The reversal of 7361520947 is 7490251637.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7490251637 = 11 ⋅680931967.

It is not a de Polignac number, because 7361520947 - 2¹⁶ = 7361455411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7361520898 and 7361520907.

It is not an unprimeable number, because it can be changed into a prime (7361520937) 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, 334614578 + ... + 334614599.

It is an arithmetic number, because the mean of its divisors is an integer number (2007687534).

Almost surely, 2^7361520947 is an apocalyptic number.

7361520947 is a deficient number, since it is larger than the sum of its proper divisors (669229189).

7361520947 is a wasteful number, since it uses less digits than its factorization.

7361520947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669229188.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 7361520947 is about 85799.3062151437. The cubic root of 7361520947 is about 1945.3116337940.

The spelling of 7361520947 in words is "seven billion, three hundred sixty-one million, five hundred twenty thousand, nine hundred forty-seven".