7215974742 has 8 divisors (see below), whose sum is σ = 14431949496. Its totient is φ = 2405324912.

The previous prime is 7215974741. The next prime is 7215974743. The reversal of 7215974742 is 2474795127.

It is an interprime number because it is at equal distance from previous prime (7215974741) and next prime (7215974743).

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

7215974742 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 7215974691 and 7215974700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7215974741) 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, 601331223 + ... + 601331234.

It is an arithmetic number, because the mean of its divisors is an integer number (1803993687).

Almost surely, 2^7215974742 is an apocalyptic number.

7215974742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7215974742 is a wasteful number, since it uses less digits than its factorization.

7215974742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202662462.

The product of its digits is 987840, while the sum is 48.

The square root of 7215974742 is about 84946.8936571550. The cubic root of 7215974742 is about 1932.4058109820.

The spelling of 7215974742 in words is "seven billion, two hundred fifteen million, nine hundred seventy-four thousand, seven hundred forty-two".