1492739 has 2 divisors, whose sum is σ = 1492740. Its totient is φ = 1492738.

The previous prime is 1492709. The next prime is 1492747. The reversal of 1492739 is 9372941.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1492739 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1492699 and 1492708.

It is not a weakly prime, because it can be changed into another prime (1492709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746369 + 746370.

It is an arithmetic number, because the mean of its divisors is an integer number (746370).

2^1492739 is an apocalyptic number.

1492739 is a deficient number, since it is larger than the sum of its proper divisors (1).

1492739 is an equidigital number, since it uses as much as digits as its factorization.

1492739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The square root of 1492739 is about 1221.7769845598. The cubic root of 1492739 is about 114.2864194153.

The spelling of 1492739 in words is "one million, four hundred ninety-two thousand, seven hundred thirty-nine".