742002623 has 2 divisors, whose sum is σ = 742002624. Its totient is φ = 742002622.

The previous prime is 742002617. The next prime is 742002641. The reversal of 742002623 is 326200247.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 742002623 - 2¹² = 741998527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 742002592 and 742002601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742002643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371001311 + 371001312.

It is an arithmetic number, because the mean of its divisors is an integer number (371001312).

Almost surely, 2^742002623 is an apocalyptic number.

742002623 is a deficient number, since it is larger than the sum of its proper divisors (1).

742002623 is an equidigital number, since it uses as much as digits as its factorization.

742002623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 742002623 is about 27239.7250903896. The cubic root of 742002623 is about 905.3193720344.

The spelling of 742002623 in words is "seven hundred forty-two million, two thousand, six hundred twenty-three".