1403494070 has 32 divisors (see below), whose sum is σ = 2770273440. Its totient is φ = 507709440.

The previous prime is 1403494049. The next prime is 1403494073. The reversal of 1403494070 is 704943041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403494073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11825 + ... + 54284.

It is an arithmetic number, because the mean of its divisors is an integer number (86571045).

Almost surely, 2^1403494070 is an apocalyptic number.

1403494070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1403494070 is a deficient number, since it is larger than the sum of its proper divisors (1366779370).

1403494070 is a wasteful number, since it uses less digits than its factorization.

1403494070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66320.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1403494070 is about 37463.2362456849. The cubic root of 1403494070 is about 1119.6188302189.

The spelling of 1403494070 in words is "one billion, four hundred three million, four hundred ninety-four thousand, seventy".