67620151 has 2 divisors, whose sum is σ = 67620152. Its totient is φ = 67620150.

The previous prime is 67620097. The next prime is 67620167. The reversal of 67620151 is 15102676.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67620151 - 2¹³ = 67611959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67620251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33810075 + 33810076.

It is an arithmetic number, because the mean of its divisors is an integer number (33810076).

Almost surely, 2^67620151 is an apocalyptic number.

67620151 is a deficient number, since it is larger than the sum of its proper divisors (1).

67620151 is an equidigital number, since it uses as much as digits as its factorization.

67620151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 67620151 is about 8223.1472685341. The cubic root of 67620151 is about 407.4040844676.

The spelling of 67620151 in words is "sixty-seven million, six hundred twenty thousand, one hundred fifty-one".