70733403440 has 80 divisors (see below), whose sum is σ = 190213325568. Its totient is φ = 23959250688.

The previous prime is 70733403437. The next prime is 70733403443. The reversal of 70733403440 is 4430433707.

It is an interprime number because it is at equal distance from previous prime (70733403437) and next prime (70733403443).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 70733403440.

It is not an unprimeable number, because it can be changed into a prime (70733403443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714422 + ... + 807381.

Almost surely, 2^70733403440 is an apocalyptic number.

70733403440 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70733403440 is an abundant number, since it is smaller than the sum of its proper divisors (119479922128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70733403440 is a wasteful number, since it uses less digits than its factorization.

70733403440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521906 (or 1521900 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 35.

The spelling of 70733403440 in words is "seventy billion, seven hundred thirty-three million, four hundred three thousand, four hundred forty".