7240670137 has 2 divisors, whose sum is σ = 7240670138. Its totient is φ = 7240670136.

The previous prime is 7240670131. The next prime is 7240670153. The reversal of 7240670137 is 7310760427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3855292281 + 3385377856 = 62091^2 + 58184^2 .

It is a cyclic number.

It is not a de Polignac number, because 7240670137 - 2⁷ = 7240670009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7240670096 and 7240670105.

It is not a weakly prime, because it can be changed into another prime (7240670131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3620335068 + 3620335069.

It is an arithmetic number, because the mean of its divisors is an integer number (3620335069).

Almost surely, 2^7240670137 is an apocalyptic number.

It is an amenable number.

7240670137 is a deficient number, since it is larger than the sum of its proper divisors (1).

7240670137 is an equidigital number, since it uses as much as digits as its factorization.

7240670137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 7240670137 is about 85092.1273503019. The cubic root of 7240670137 is about 1934.6077398177.

The spelling of 7240670137 in words is "seven billion, two hundred forty million, six hundred seventy thousand, one hundred thirty-seven".