7236750421 has 2 divisors, whose sum is σ = 7236750422. Its totient is φ = 7236750420.

The previous prime is 7236750379. The next prime is 7236750461. The reversal of 7236750421 is 1240576327.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5470229521 + 1766520900 = 73961^2 + 42030^2 .

It is a cyclic number.

It is not a de Polignac number, because 7236750421 - 2²⁹ = 6699879509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7236750461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3618375210 + 3618375211.

It is an arithmetic number, because the mean of its divisors is an integer number (3618375211).

Almost surely, 2^7236750421 is an apocalyptic number.

It is an amenable number.

7236750421 is a deficient number, since it is larger than the sum of its proper divisors (1).

7236750421 is an equidigital number, since it uses as much as digits as its factorization.

7236750421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 7236750421 is about 85069.0920428801. The cubic root of 7236750421 is about 1934.2585786882.

The spelling of 7236750421 in words is "seven billion, two hundred thirty-six million, seven hundred fifty thousand, four hundred twenty-one".