370720421 has 2 divisors, whose sum is σ = 370720422. Its totient is φ = 370720420.

The previous prime is 370720409. The next prime is 370720433. The reversal of 370720421 is 124027073.

It is a balanced prime because it is at equal distance from previous prime (370720409) and next prime (370720433).

It can be written as a sum of positive squares in only one way, i.e., 362483521 + 8236900 = 19039^2 + 2870^2 .

It is a cyclic number.

It is not a de Polignac number, because 370720421 - 2²² = 366526117 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (370720451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185360210 + 185360211.

It is an arithmetic number, because the mean of its divisors is an integer number (185360211).

Almost surely, 2^370720421 is an apocalyptic number.

It is an amenable number.

370720421 is a deficient number, since it is larger than the sum of its proper divisors (1).

370720421 is an equidigital number, since it uses as much as digits as its factorization.

370720421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 370720421 is about 19254.1014072327. The cubic root of 370720421 is about 718.3710738021.

Adding to 370720421 its reverse (124027073), we get a palindrome (494747494).

The spelling of 370720421 in words is "three hundred seventy million, seven hundred twenty thousand, four hundred twenty-one".