70537474651 has 24 divisors (see below), whose sum is σ = 85843630656. Its totient is φ = 57730942080.

The previous prime is 70537474649. The next prime is 70537474661. The reversal of 70537474651 is 15647473507.

It is not a de Polignac number, because 70537474651 - 2¹ = 70537474649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 70537474595 and 70537474604.

It is not an unprimeable number, because it can be changed into a prime (70537474661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279096 + ... + 467941.

It is an arithmetic number, because the mean of its divisors is an integer number (3576817944).

Almost surely, 2^70537474651 is an apocalyptic number.

70537474651 is a deficient number, since it is larger than the sum of its proper divisors (15306156005).

70537474651 is a wasteful number, since it uses less digits than its factorization.

70537474651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747139 (or 747132 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 49.

The spelling of 70537474651 in words is "seventy billion, five hundred thirty-seven million, four hundred seventy-four thousand, six hundred fifty-one".