7423740987 has 8 divisors (see below), whose sum is σ = 10659730704. Its totient is φ = 4568455968.

The previous prime is 7423740937. The next prime is 7423740991. The reversal of 7423740987 is 7890473247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7423740987 - 2⁶ = 7423740923 is a prime.

It is a super-2 number, since 2×7423740987² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7423740937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95176128 + ... + 95176205.

It is an arithmetic number, because the mean of its divisors is an integer number (1332466338).

Almost surely, 2^7423740987 is an apocalyptic number.

7423740987 is a deficient number, since it is larger than the sum of its proper divisors (3235989717).

7423740987 is a wasteful number, since it uses less digits than its factorization.

7423740987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190352349.

The product of its (nonzero) digits is 2370816, while the sum is 51.

The square root of 7423740987 is about 86161.1338539599. The cubic root of 7423740987 is about 1950.7768972737.

The spelling of 7423740987 in words is "seven billion, four hundred twenty-three million, seven hundred forty thousand, nine hundred eighty-seven".