70403671 has 16 divisors (see below), whose sum is σ = 77898240. Its totient is φ = 63231840.

The previous prime is 70403659. The next prime is 70403687. The reversal of 70403671 is 17630407.

It is a cyclic number.

It is not a de Polignac number, because 70403671 - 2⁹ = 70403159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70403651) 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, 76150 + ... + 77068.

It is an arithmetic number, because the mean of its divisors is an integer number (4868640).

Almost surely, 2^70403671 is an apocalyptic number.

70403671 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

70403671 is a deficient number, since it is larger than the sum of its proper divisors (7494569).

70403671 is a wasteful number, since it uses less digits than its factorization.

70403671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 70403671 is about 8390.6895425823. The cubic root of 70403671 is about 412.9192231417.

The spelling of 70403671 in words is "seventy million, four hundred three thousand, six hundred seventy-one".